Aluminum Rod 2011, Aluminum, 2011, T3, Rod, Outside Diameter 5/16 in, Outside Diameter Tolerance +/- 0.0015 in, 36 in Overall Length, Length Tolerance +0.125/-0 in, Fabrication Cold Finished, Heat Treatable Yes, Mechanical Finish Mill, Yield Strength 43,000 psi, Tensile Strength 55,000 psi, 95 Brinell Hardness, 60 Rockwell Hardness, Includes Material Certificate Yes, Standards ASTM B211, Alloy Type 2011, Tolerance Rating Standard